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SXUS43 KMQT 192101
RECMQT

MIZ001-200800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Tue Aug 19 2025

Isle Royale (SW areas)-
Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge,
and Windigo-

.TONIGHT...Mostly cloudy. Patchy fog. Lows around 59. Northeast
winds 5 to 10 mph becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Partly cloudy through early afternoon then clearing.
Patchy fog through early afternoon. Highs around 66. North winds up
to 10 mph becoming southeast by early afternoon, then becoming
southwest late. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 58. Southwest winds up
to 5 mph. Waves calm to 1 foot.
.THURSDAY...Partly cloudy. Highs around 69. South winds 5 to 10 mph.
Waves calm to 1 foot.
.THURSDAY NIGHT...A 20 percent chance of showers late. Mostly
cloudy. Lows around 64. South winds 5 to 10 mph becoming southwest
5 to 15 mph late. Waves building to 1 to 2 feet.
.FRIDAY...Partly cloudy with a chance of showers through early
afternoon, then sunny by mid afternoon. Highs around 70. Chance of
showers 30 percent.
.FRIDAY NIGHT...Mostly clear. Lows around 59.
.SATURDAY...Sunny through early afternoon then becoming partly
cloudy. Highs around 65.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows around
55. Highs around 62.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs around 64. Lows
around 56.
.TUESDAY...Sunny. Highs around 68.

&&

Isle Royale (NE areas)-
Including Greenstone Ridge North, Malone Bay, Mount Saginaw,
and Rock Harbor-

.TONIGHT...Mostly cloudy. Patchy fog. Lows around 58. Northeast
winds 5 to 10 mph becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Partly cloudy through early afternoon then clearing.
Highs around 66. North winds 5 to 10 mph becoming northeast by late
morning, then becoming south by early afternoon increasing to 5 to
10 mph late. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 58. Southwest winds up
to 5 mph. Waves calm to 1 foot.
.THURSDAY...Partly cloudy. Highs around 67. South winds 5 to 10 mph.
Waves calm to 1 foot.
.THURSDAY NIGHT...A 20 percent chance of showers late. Mostly
cloudy. Lows around 63. South winds 5 to 15 mph becoming southwest
late. Waves building to 1 to 2 feet.
.FRIDAY...A chance of showers through early afternoon. Partly
cloudy. Highs around 69. Chance of showers 30 percent.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 60. Highs
around 64.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows around
55. Highs around 61.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs around 63. Lows
around 56.
.TUESDAY...Sunny. Highs around 66.

&&

Isle Royale (NW areas)-
Including Amygdaloid Island, Lookout Louise, and Minong Mine-

.TONIGHT...Mostly cloudy. Patchy fog. Lows around 58. Northeast
winds 5 to 10 mph becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Partly cloudy through early afternoon then clearing.
Patchy fog through early afternoon. Highs around 67. North winds up
to 10 mph becoming southwest by mid afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 58. Southwest winds
5 to 10 mph. Waves calm to 1 foot.
.THURSDAY...Partly cloudy. Highs around 68. South winds 5 to 10 mph.
Waves calm to 1 foot.
.THURSDAY NIGHT...A 20 percent chance of showers late. Mostly
cloudy. Lows around 63. South winds 5 to 10 mph becoming southwest
5 to 15 mph late. Waves calm to 1 foot.
.FRIDAY...Partly cloudy with a chance of showers through early
afternoon, then sunny by mid afternoon. Highs around 69. Chance of
showers 30 percent.
.FRIDAY NIGHT...Mostly clear. Lows around 59.
.SATURDAY...Sunny through early afternoon then becoming partly
cloudy. Highs around 65.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows around
55. Highs around 62.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs around 64. Lows
around 56.
.TUESDAY...Sunny. Highs around 67.

&&

Isle Royale (SE areas)-
Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay-

.TONIGHT...Mostly cloudy. Patchy fog. Lows around 59. Northeast
winds 5 to 10 mph becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Partly cloudy through early afternoon then clearing.
Highs around 65. North winds 5 to 10 mph becoming northeast by late
morning, then becoming south by early afternoon becoming southwest
late. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 58. Southwest winds up
to 5 mph becoming south late. Waves calm to 1 foot.
.THURSDAY...Partly cloudy. Highs around 68. South winds up to
10 mph. Waves calm to 1 foot.
.THURSDAY NIGHT...A 20 percent chance of showers late. Mostly
cloudy. Lows around 63. South winds 5 to 10 mph becoming southwest
5 to 15 mph late. Waves building to 1 to 2 feet.
.FRIDAY...Partly sunny with a chance of showers through early
afternoon, then mostly sunny by mid afternoon. Highs around 70.
Chance of showers 30 percent.
.FRIDAY NIGHT...Mostly clear. Lows around 59.
.SATURDAY...Partly cloudy. Highs around 64.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows around
55. Highs around 62.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs around 64. Lows
around 56.
.TUESDAY...Sunny. Highs around 67.

&&


$$